block/dasd: detailed I/O errors
The DASD driver is using FASTFAIL as an equivalent to the
transport errors in SCSI. And the 'steal lock' function maps
roughly to a reservation error. So we should be returning the
appropriate error codes when completing a request.
Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/block/blk-core.c b/block/blk-core.c
index d5745b5..3214432 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -2315,6 +2315,9 @@
case -EBADE:
error_type = "critical nexus";
break;
+ case -ETIMEDOUT:
+ error_type = "timeout";
+ break;
case -EIO:
default:
error_type = "I/O";